Singilis (s. str.) haekeli, Anichtchenko, Alexander, 2016

Anichtchenko, Alexander, 2016, Contribution to the knowledge of the genus Singilis Rambur, 1837 of Africa (Coleoptera: Carabidae: Lebiini). Part IV, Zootaxa 4158 (2), pp. 183-202: 197-198

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Singilis (s. str.) haekeli

sp. n.

Singilis (s. str.) haekeli  sp. n.

( Figs. 15View FIGURES 13 – 18, 30View FIGURES 29 – 33, 34)

Type material. ZAMBIA: Holotype ♂: " Zambia NW | 50 km E Mwinilunga | 28.10.2008 Snizek leg" ( MRAC)  . Paratypes: ANGOLA: 1 ♀  " Angola, 19.XI.13, Malanje Prov. | 20km NW Calandula , 1007m | P. Schüle leg." (cPS). 

Diagnosis. This peculiar species can hardly be included into any known group, sharing coloration of head and pronotum with species from " montanus "-group ( Anichtchenko 2012a), but can be easily diagnosed by internal sac with numerous long and tightly grouped spines, i.e. species of " montanus " group has endophallus without apparent spicules or microtrichial patches. By its general type of structure of aedeagus it is similar to S. (s.str.) mashunus ( Peringuey, 1896)  from " stigma "—group ( Anichtchenko 2012b), but is easily distinguished by overall appearance and details of aedeagus.

Description. Length 4.8–5.5 mm. Head dark brown to black. Disc of pronotum dark brown to black with contrasting yellow lateral margins. Legs, antennae, palpi and background of elytra yellow-brown. Elytral pattern consist of broad postmedial band, extended along 1st interval to apice and base of elytra. Base of elytra with diffuse triangular spot on 1 – 5 intervals. Propleuron, mes- and metepisterna darkened. Ventral sternites yellow-brown with dark apical borders ( Fig. 15View FIGURES 13 – 18).

Head with coarse irregular punctation, punctures confluent near eyes and in frontal depressions. Head and clypeus with almost isodiametric microsculpture throughout. Eyes moderately large and bulging.

Pronotum 1.32 times as wide as head (holotype), 1.44 times as wide as long, widest at middle. Anterior margin straight, notably narrower than posterior, anterior angles effaced, sides regularly rounded, wekly sinuate before rectangular posterior angles. Disc with sparse and irregular punctation, wavy rugate on sides. Explanate lateral margin narrowed anteriorly; rapidly widened behind lateral setae, broad and flat to slightly reflexed at base. Basal grooves indistinct, flat. Microsculpture irregular.

Elytra elongate, 1.54 times as long as wide. Microsculpture polygonal. Apices slightly sinuate, rounded at suture. Striae deep and minutely punctate. Intervals 1 – 4 convex at humerus, gradually flattened towards apices; other intervals convex at base and slightly convex at apex.

Claws with 6 teeth. Abdominal sterna shiny, sparcely pubescent throughout. Propleuron, mes- and metepisterna smooth.

Aedeagus ( Fig. 30View FIGURES 29 – 33). Aedeagal median lobe stout, eudorsal surface slightly inflated, broadest at ostial opening. Apex broad and short, downturned. Internal sac with numerous long and large spines.

Name derivation. Named after my friend and collegue Martin Häckel ( Czech Republic), specialist in Panagaeini  ( Carabidae  ).

Distribution. Angola, Zambia ( Fig. 34).


Mus�e Royal de l�Afrique Centrale